# AP Physics C: Mechanics : Using Pendulum Equations

## Example Questions

### Example Question #1 : Using Pendulum Equations

A simple pendulum of length  swings at a radius  from a fixed point on the ceiling. As it moves, the pendulum creates an angle  with the line that extends vertically downwards from the fixed point. At what angle does the mass attached to the pendulum have the highest kinetic energy?

Explanation:

The correct answer is . Since the pendulum is at the bottom of its motion at this point, it has the lowest amount of energy given to gravitational potential and thus, the highest kinetic energy.

### Example Question #45 : Ap Physics C

If a simple pendulum is constructed using a  rope of negligible weight and a large steel ball weighing . What is the period of the pendulum?

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